diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index 8134e3012b..37d3756e52 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -50,7 +50,6 @@
 #include <QtCore/qmath.h>
 
 #include <stdlib.h>
-#include <limits.h>
 #include <algorithm>
 
 
@@ -1678,7 +1677,7 @@ QList<int> QFontDatabase::pointSizes(const QString &family,
             for (int l = 0; l < style->count; l++) {
                 const QtFontSize *size = style->pixelSizes + l;
 
-                if (size->pixelSize != 0 && size->pixelSize != USHRT_MAX) {
+                if (size->pixelSize != 0 && size->pixelSize != SMOOTH_SCALABLE) {
                     const uint pointSize = qRound(size->pixelSize * 72.0 / dpi);
                     if (! sizes.contains(pointSize))
                         sizes.append(pointSize);
@@ -1781,7 +1780,7 @@ QList<int> QFontDatabase::smoothSizes(const QString &family,
             for (int l = 0; l < style->count; l++) {
                 const QtFontSize *size = style->pixelSizes + l;
 
-                if (size->pixelSize != 0 && size->pixelSize != USHRT_MAX) {
+                if (size->pixelSize != 0 && size->pixelSize != SMOOTH_SCALABLE) {
                     const uint pointSize = qRound(size->pixelSize * 72.0 / dpi);
                     if (! sizes.contains(pointSize))
                         sizes.append(pointSize);